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Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor
Background: To investigate the efficacy of two-dimensional shear wave elastography (2D-SWE) for the diagnosis of pancreatic mass lesions. Methods: This ethics committee–approved cross-sectional study included 52 patients with histologically-proven pancreatic tumors (pancreatic ductal adenocarcinoma...
Autores principales: | , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8001884/ https://www.ncbi.nlm.nih.gov/pubmed/33799777 http://dx.doi.org/10.3390/diagnostics11030498 |
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author | Iino, Yotaro Maruyama, Hitoshi Mikata, Rintaro Yasui, Shin Koroki, Keisuke Nagashima, Hiroki Awatsu, Masami Shingyoji, Ayako Kusakabe, Yuko Kobayashi, Kazufumi Kiyono, Soichiro Nakamura, Masato Ohyama, Hiroshi Sugiyama, Harutoshi Sakai, Yuji Chiba, Tetsuhiro Kato, Jun Tsuyuguchi, Toshio Kato, Naoya |
author_facet | Iino, Yotaro Maruyama, Hitoshi Mikata, Rintaro Yasui, Shin Koroki, Keisuke Nagashima, Hiroki Awatsu, Masami Shingyoji, Ayako Kusakabe, Yuko Kobayashi, Kazufumi Kiyono, Soichiro Nakamura, Masato Ohyama, Hiroshi Sugiyama, Harutoshi Sakai, Yuji Chiba, Tetsuhiro Kato, Jun Tsuyuguchi, Toshio Kato, Naoya |
author_sort | Iino, Yotaro |
collection | PubMed |
description | Background: To investigate the efficacy of two-dimensional shear wave elastography (2D-SWE) for the diagnosis of pancreatic mass lesions. Methods: This ethics committee–approved cross-sectional study included 52 patients with histologically-proven pancreatic tumors (pancreatic ductal adenocarcinoma (PDAC), 36; tumor-forming pancreatitis (TFP), 15; neuroendocrine tumor, 1) and 33 control subjects. The 2D-SWE was performed for the tumor/non-tumor tissues, and SWE-mapping patterns and propagation quality were assessed. Results: Three mapping patterns were detected based on the size and distribution of the coloring areas. Pattern A (whole coloring) was detected in all non-tumor tissues and TFP, whereas pattern C (multiple small coloring spots) was detected in PDAC only. Pattern B (partial coloring with smaller spots) was detected in other lesions. The specificity and positive predictive value of pattern A for non-PDAC and those of pattern C for PDAC were 100%. The SWE value was higher in tumor lesions than in the non-tumor tissues (38.1 vs. 9.8 kPa; p < 0.001) in patients with PDAC. The SWE value in the non-tumor lesion was higher in patients with PDAC than in control (9.8 vs. 7.5 kPa; p < 0.001). Conclusions: 2D-SWE may play a role as a novel diagnostic tool for PDAC to detect a specific mapping pattern with quantitative assessment. |
format | Online Article Text |
id | pubmed-8001884 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-80018842021-03-28 Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor Iino, Yotaro Maruyama, Hitoshi Mikata, Rintaro Yasui, Shin Koroki, Keisuke Nagashima, Hiroki Awatsu, Masami Shingyoji, Ayako Kusakabe, Yuko Kobayashi, Kazufumi Kiyono, Soichiro Nakamura, Masato Ohyama, Hiroshi Sugiyama, Harutoshi Sakai, Yuji Chiba, Tetsuhiro Kato, Jun Tsuyuguchi, Toshio Kato, Naoya Diagnostics (Basel) Article Background: To investigate the efficacy of two-dimensional shear wave elastography (2D-SWE) for the diagnosis of pancreatic mass lesions. Methods: This ethics committee–approved cross-sectional study included 52 patients with histologically-proven pancreatic tumors (pancreatic ductal adenocarcinoma (PDAC), 36; tumor-forming pancreatitis (TFP), 15; neuroendocrine tumor, 1) and 33 control subjects. The 2D-SWE was performed for the tumor/non-tumor tissues, and SWE-mapping patterns and propagation quality were assessed. Results: Three mapping patterns were detected based on the size and distribution of the coloring areas. Pattern A (whole coloring) was detected in all non-tumor tissues and TFP, whereas pattern C (multiple small coloring spots) was detected in PDAC only. Pattern B (partial coloring with smaller spots) was detected in other lesions. The specificity and positive predictive value of pattern A for non-PDAC and those of pattern C for PDAC were 100%. The SWE value was higher in tumor lesions than in the non-tumor tissues (38.1 vs. 9.8 kPa; p < 0.001) in patients with PDAC. The SWE value in the non-tumor lesion was higher in patients with PDAC than in control (9.8 vs. 7.5 kPa; p < 0.001). Conclusions: 2D-SWE may play a role as a novel diagnostic tool for PDAC to detect a specific mapping pattern with quantitative assessment. MDPI 2021-03-11 /pmc/articles/PMC8001884/ /pubmed/33799777 http://dx.doi.org/10.3390/diagnostics11030498 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ). |
spellingShingle | Article Iino, Yotaro Maruyama, Hitoshi Mikata, Rintaro Yasui, Shin Koroki, Keisuke Nagashima, Hiroki Awatsu, Masami Shingyoji, Ayako Kusakabe, Yuko Kobayashi, Kazufumi Kiyono, Soichiro Nakamura, Masato Ohyama, Hiroshi Sugiyama, Harutoshi Sakai, Yuji Chiba, Tetsuhiro Kato, Jun Tsuyuguchi, Toshio Kato, Naoya Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title | Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title_full | Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title_fullStr | Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title_full_unstemmed | Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title_short | Percutaneous Two-Dimensional Shear Wave Elastography for Diagnosis of Pancreatic Tumor |
title_sort | percutaneous two-dimensional shear wave elastography for diagnosis of pancreatic tumor |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8001884/ https://www.ncbi.nlm.nih.gov/pubmed/33799777 http://dx.doi.org/10.3390/diagnostics11030498 |
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